Description
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Stella - the intelligent, autonomous electrothermal actuator 230 VAC NC for the automatic, adaptive hydraulic balancing of the heating circuits of a heating circuit distributor in surface heating and cooling systems. Sensors on the flow and return lines measure temperature differences and an algorithm continuously calculates the required temperature spread and the corresponding valve position. Closed when de-energized and with a folding lever for unscrewing without load or for manual opening of the thermostat valve when de-energized. With integrated flow temperature limitation.
| Property | Value |
| Design: | Filled with wax |
| Connection to valve: | M30 x 1.5 |
| Mains voltage: | 230 V AC |
| Function: | Normally closed (NC) |
| Cable length: | 1 m |
| Stroke length: | 3.5 mm |
| Color: | gray |
| Ambient temperature: | 0 to 50 °C |
| Rated power: | 17 VA |
| Protection class (IP): | IP54 |
| Length: | 53.1 mm |
| Width: | 47 mm |
| Height: | 74.2 mm |
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